Pollen transport to southern Greenland: new evidences of a late spring long distance transport
International audience New observations of long distance transport of pollen to southern Greenland are recorded during two consecutive weeks, 19 May until 1 June 2003. These new results indicate again Northeastern America as the source area of the transported pollen grains. Backward trajectories stu...
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ftecolephe:oai:HAL:hal-00330219v1 2024-05-19T07:41:12+00:00 Pollen transport to southern Greenland: new evidences of a late spring long distance transport Rousseau, D.-D. Schevin, P. Duzer, D. Cambon, G. Ferrier, J. Jolly, D. Poulsen, U. Institut des Sciences de l'Evolution de Montpellier (UMR ISEM) Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement IRD : UR226-Centre National de la Recherche Scientifique (CNRS) Lamont-Doherty Earth Observatory (LDEO) Columbia University New York Danish Radio-Sonde Station 2005-07-21 https://hal.science/hal-00330219 https://hal.science/hal-00330219/document https://hal.science/hal-00330219/file/bgd-2-829-2005.pdf https://doi.org/10.5194/bgd-2-829-2005 en eng HAL CCSD European Geosciences Union info:eu-repo/semantics/altIdentifier/doi/10.5194/bgd-2-829-2005 hal-00330219 https://hal.science/hal-00330219 https://hal.science/hal-00330219/document https://hal.science/hal-00330219/file/bgd-2-829-2005.pdf doi:10.5194/bgd-2-829-2005 info:eu-repo/semantics/OpenAccess ISSN: 1810-6277 EISSN: 1810-6285 Biogeosciences Discussions https://hal.science/hal-00330219 Biogeosciences Discussions, 2005, 2 (4), pp.829-847. ⟨10.5194/bgd-2-829-2005⟩ [PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences info:eu-repo/semantics/article Journal articles 2005 ftecolephe https://doi.org/10.5194/bgd-2-829-2005 2024-04-25T01:29:24Z International audience New observations of long distance transport of pollen to southern Greenland are recorded during two consecutive weeks, 19 May until 1 June 2003. These new results indicate again Northeastern America as the source area of the transported pollen grains. Backward trajectories studies indicate that transport occurred twice during the first week, which corresponds to the interval of maximum pollen flux emitted in the atmosphere. This is indicated by the large percentage of exotic pollen grains identified, about 11% of the total counted including the local vegetation. Conversely, the transport observed during the second week occurred during a single day, at a time of reduced pollen emission into the atmosphere in the source area, and experienced severe wash out and thus is indicated by a lower percentage of exotic grains, 1% of the total identified ones. The trajectories modeled by the HYSPLIT application show different patterns to those previously identified in 2002. Although air volumes passing over southern Greenland at 3000 m carried out the main transport, additional transport occurred at a much lower altitude leading producing a more complicated pattern of modeling than previously considered. Article in Journal/Newspaper Greenland EPHE (Ecole pratique des hautes études, Paris): HAL |
institution |
Open Polar |
collection |
EPHE (Ecole pratique des hautes études, Paris): HAL |
op_collection_id |
ftecolephe |
language |
English |
topic |
[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
spellingShingle |
[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences Rousseau, D.-D. Schevin, P. Duzer, D. Cambon, G. Ferrier, J. Jolly, D. Poulsen, U. Pollen transport to southern Greenland: new evidences of a late spring long distance transport |
topic_facet |
[PHYS.ASTR.CO]Physics [physics]/Astrophysics [astro-ph]/Cosmology and Extra-Galactic Astrophysics [astro-ph.CO] [SDU.ASTR]Sciences of the Universe [physics]/Astrophysics [astro-ph] [SDU.ENVI]Sciences of the Universe [physics]/Continental interfaces environment [SDU.OCEAN]Sciences of the Universe [physics]/Ocean Atmosphere [SDU.STU]Sciences of the Universe [physics]/Earth Sciences |
description |
International audience New observations of long distance transport of pollen to southern Greenland are recorded during two consecutive weeks, 19 May until 1 June 2003. These new results indicate again Northeastern America as the source area of the transported pollen grains. Backward trajectories studies indicate that transport occurred twice during the first week, which corresponds to the interval of maximum pollen flux emitted in the atmosphere. This is indicated by the large percentage of exotic pollen grains identified, about 11% of the total counted including the local vegetation. Conversely, the transport observed during the second week occurred during a single day, at a time of reduced pollen emission into the atmosphere in the source area, and experienced severe wash out and thus is indicated by a lower percentage of exotic grains, 1% of the total identified ones. The trajectories modeled by the HYSPLIT application show different patterns to those previously identified in 2002. Although air volumes passing over southern Greenland at 3000 m carried out the main transport, additional transport occurred at a much lower altitude leading producing a more complicated pattern of modeling than previously considered. |
author2 |
Institut des Sciences de l'Evolution de Montpellier (UMR ISEM) Centre de Coopération Internationale en Recherche Agronomique pour le Développement (Cirad)-École Pratique des Hautes Études (EPHE) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Université de Montpellier (UM)-Institut de recherche pour le développement IRD : UR226-Centre National de la Recherche Scientifique (CNRS) Lamont-Doherty Earth Observatory (LDEO) Columbia University New York Danish Radio-Sonde Station |
format |
Article in Journal/Newspaper |
author |
Rousseau, D.-D. Schevin, P. Duzer, D. Cambon, G. Ferrier, J. Jolly, D. Poulsen, U. |
author_facet |
Rousseau, D.-D. Schevin, P. Duzer, D. Cambon, G. Ferrier, J. Jolly, D. Poulsen, U. |
author_sort |
Rousseau, D.-D. |
title |
Pollen transport to southern Greenland: new evidences of a late spring long distance transport |
title_short |
Pollen transport to southern Greenland: new evidences of a late spring long distance transport |
title_full |
Pollen transport to southern Greenland: new evidences of a late spring long distance transport |
title_fullStr |
Pollen transport to southern Greenland: new evidences of a late spring long distance transport |
title_full_unstemmed |
Pollen transport to southern Greenland: new evidences of a late spring long distance transport |
title_sort |
pollen transport to southern greenland: new evidences of a late spring long distance transport |
publisher |
HAL CCSD |
publishDate |
2005 |
url |
https://hal.science/hal-00330219 https://hal.science/hal-00330219/document https://hal.science/hal-00330219/file/bgd-2-829-2005.pdf https://doi.org/10.5194/bgd-2-829-2005 |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
ISSN: 1810-6277 EISSN: 1810-6285 Biogeosciences Discussions https://hal.science/hal-00330219 Biogeosciences Discussions, 2005, 2 (4), pp.829-847. ⟨10.5194/bgd-2-829-2005⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/bgd-2-829-2005 hal-00330219 https://hal.science/hal-00330219 https://hal.science/hal-00330219/document https://hal.science/hal-00330219/file/bgd-2-829-2005.pdf doi:10.5194/bgd-2-829-2005 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.5194/bgd-2-829-2005 |
_version_ |
1799480788648984576 |